[FFmpeg-cvslog] libvpxenc: add undershoot-pct option
James Zern
git at videolan.org
Thu Jun 11 06:08:29 CEST 2015
ffmpeg | branch: master | James Zern <jzern at google.com> | Sat Jun 6 10:10:56 2015 -0700| [2c70436e69205883c294cadd7cedf1b16b83640e] | committer: James Zern
libvpxenc: add undershoot-pct option
replaces deprecated rc_buffer_aggressivity
Reviewed-by: Michael Niedermayer <michaelni at gmx.at>
Signed-off-by: James Zern <jzern at google.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2c70436e69205883c294cadd7cedf1b16b83640e
---
libavcodec/libvpxenc.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index adf4b2e..299ff3f 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -91,6 +91,7 @@ typedef struct VP8EncoderContext {
int crf;
int static_thresh;
int max_intra_rate;
+ int rc_undershoot_pct;
// VP9-only
int lossless;
@@ -472,7 +473,17 @@ static av_cold int vpx_init(AVCodecContext *avctx,
enccfg.rc_buf_initial_sz =
avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;
+#if FF_API_MPV_OPT
+ FF_DISABLE_DEPRECATION_WARNINGS
+ if (avctx->rc_buffer_aggressivity != 1.0) {
+ av_log(avctx, AV_LOG_WARNING, "The rc_buffer_aggressivity option is "
+ "deprecated, use the undershoot-pct private option instead.\n");
enccfg.rc_undershoot_pct = round(avctx->rc_buffer_aggressivity * 100);
+ }
+ FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ if (ctx->rc_undershoot_pct >= 0)
+ enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
//_enc_init() will balk if kf_min_dist differs from max w/VPX_KF_AUTO
if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
@@ -920,6 +931,7 @@ static int vp8_encode(AVCodecContext *avctx, AVPacket *pkt,
" is still done over the partition boundary.", 0, AV_OPT_TYPE_CONST, {.i64 = VPX_ERROR_RESILIENT_PARTITIONS}, 0, 0, VE, "er"}, \
{ "crf", "Select the quality for constant quality mode", offsetof(VP8Context, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE }, \
{ "static-thresh", "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \
+ { "undershoot-pct", "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 100, VE }, \
#define LEGACY_OPTIONS \
{"speed", "", offsetof(VP8Context, cpu_used), AV_OPT_TYPE_INT, {.i64 = 1}, -16, 16, VE}, \
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